QueryEngineConfiguration (Ignite 2.17.0)

All Known Implementing Classes:

CalciteQueryEngineConfiguration, IndexingQueryEngineConfiguration
```
public interface QueryEngineConfiguration
```
Interface for the configuration of the query engine.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isDefault()`	Is this query engine should be used by default.
`QueryEngineConfiguration`	`setDefault(boolean isDflt)`	Sets whether this query engine should be used by default.

- Method Detail
  - setDefault
```
QueryEngineConfiguration setDefault(boolean isDflt)
```
    Sets whether this query engine should be used by default.
    There can be only one query engine configuration with the default flag.
    If there is no configuration with the default flag, the query engine provided by the ignite-indexing module will be used by default (if configured). If there is no configuration for the ignite-indexing module engine exists, the first engine from the query engines configuration will be used.
    
    Parameters:
    
    isDflt - True if this query engine should be used by default.
    
    Returns:
    
    this for chaining.
  - isDefault
```
boolean isDefault()
```
    Is this query engine should be used by default.
    
    Returns:
    
    True if this query engine is default.